Articles by Author: Rebecca L Thomas
Search results for Rebecca L Thomas
We found 159 results for you
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Game fence presence and permeability influences the local movement and distribution of South African mammals
Item type: Journal Article • Journal: African ZoologyFences are utilised throughout the world to restrict the movements of wildlife, protecting them from threats and reducing human–wildlife conflict. In South Africa the number of privately-owned fenced game reserves has greatly increased in recent years, but little is known... -
Establishment of <em>stylosanthes guyanensis</em> in marandellas sandveld
Item type: Journal Article • Journal: Proceedings of the Annual Congresses of the Grassland Society of Southern AfricaThe feasibility of establishing perennial forage legumes in veld has been investigated at Grasslands Research Station, Marandellas. Of the species tested, Stylosanthes guyanensis (stylo) appeared most suitable. -
A method of age determination for the South West African pilchard <em>Sardinops ocellata</em>
Item type: Journal Article • Journal: South African Journal of Marine ScienceA method of age determination, based on recent research on growth and ring formation, is described for the pilchard of South West Africa. Dates of ring formation from 1971 to 1981 are documented. Illustrated examples of otolith interpretations are given. -
Evaluation of the effects of scorching caused by the directed application of a paraquat-containing herbicide mixture to the base of maize plants at various ages
Item type: Journal Article • Journal: South African Journal of Plant and SoilThe effect of herbicides which scorched the lower leaves of maize was compared in three seasons. The first season was relatively dry whilst the other two were wetter seasons. A mixture of cyanazine + atrazine + paraquat + a wetting... -
Chemical control of some broadleaved weeds which grow during winter in untilled maize lands
Item type: Journal Article • Journal: South African Journal of Plant and SoilSeveral experiments have been done at Cedara in attempts to control broadleaved weeds in unfilled lands during winter. A number of herbicide treatments were tested on Conyza spp., Coronopus didymus, Gnaphalium spp., Hypochoeris radicata, Oenothera rosea and Taraxacum officinale. Where... -
The effect of <em>Oxalis latifolia</em> competition in maize
Item type: Journal Article • Journal: South African Journal of Plant and SoilThe competitive effect of Oxalis latifolia H.B.K, (red garden sorrel) in maize has been investigated in the past four seasons at Cedara. The site chosen had a heavy O. latifolia infestation. In each of the four seasons initial weed control... -
PROXIMAL LIMIT SPACES
Item type: Journal Article • Journal: Quaestiones MathematicaeThe proximal limit spaces are introduced which fill the gap arising from the existence of proximity spaces, uniform spaces, and uniform limit spaces. It is shown that the proximal limit spaces can be considered as a bireflective subcategory of the... -
Porting an English Spoken Dialogue System to Xhosa and Zulu
Item type: Journal Article • Journal: South African Journal of African LanguagesThe development of Xhosa and Zulu spoken dialogue systems, based on a working English prototype, is described. While direct translations of the system prompts and recognition grammars from English to Xhosa and Zulu, respectively, were appropriate in some cases, language-... -
Controversies around the so-called alliterative concord in African languages: A Critical Language Awareness on communicative competence with specific reference to Tshivenda<sup>1</sup>
Item type: Journal Article • Journal: South African Journal of African LanguagesOne aspect in syntactic studies that has fascinated European linguistic pioneers of African languages has been the concord which they have dubbed ‘the alliterative concord’. In their grammatical treatment of this phenomenon they purposefully created sentences to underscore their discovery...
